Author profile

Lloyd Oppel, MD, MHSc, FCFP(Em)

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Bottles of kombucha
COHP / May 2021

What is kombucha? Kombucha is a popular fermented black or green tea that attracts customers with its unique mix of fruity and sweet-and-sour flavors, promises of low sugar content, and a variety of alleged health... Read More

A view from underneath of two people walking down a circular glass staircase.
COHP / November 2019

First steps Since the Neolithic Revolution 12 000 years ago, people have sought to make lasting alterations to the environment to meet their needs. The first stairs were thought to be simply hewn logs or stones... Read More